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105648838507 is a prime number
BaseRepresentation
bin110001001100100101…
…0010101011101101011
3101002200211221001220201
41202121022111131223
53212332100313012
6120311233133031
710430035211302
oct1423112253553
9332624831821
10105648838507
1140895019083
12185856ba177
139c68c06734
14518337d439
152b35109857
hex189929576b

105648838507 has 2 divisors, whose sum is σ = 105648838508. Its totient is φ = 105648838506.

The previous prime is 105648838501. The next prime is 105648838517. The reversal of 105648838507 is 705838846501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105648838507 is a prime.

It is a super-2 number, since 2×1056488385072 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105648838501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52824419253 + 52824419254.

It is an arithmetic number, because the mean of its divisors is an integer number (52824419254).

Almost surely, 2105648838507 is an apocalyptic number.

105648838507 is a deficient number, since it is larger than the sum of its proper divisors (1).

105648838507 is an equidigital number, since it uses as much as digits as its factorization.

105648838507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 105648838507 in words is "one hundred five billion, six hundred forty-eight million, eight hundred thirty-eight thousand, five hundred seven".